Home / 1,258,979.35-1,888,656.51-449,300.92

Finding the Fourth Proportional to 1,258,979.35, 1,888,656.51 and 449,300.92

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Solution

The fourth proportional to 1,258,979.35, 1,888,656.51 and 449,300.92 is: 674,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,979.35 : 1,888,656.51 = 449,300.92 : x
  2. Step 2: Convert to fraction form
    1,258,979.35/1,888,656.51 = 449,300.92/x
  3. Step 3: Cross multiply
    1,258,979.35x = 1,888,656.51 × 449,300.92
  4. Step 4: Simplify right side
    1,258,979.35x = 848,575,098,063.71
  5. Step 5: Solve for x
    x = 848,575,098,063.71/1,258,979.35
  6. Step 6: Final answer
    x = 674,018.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.